Hannah Grace Johnson
- Hospital affiliations
- 1
- Industry payments
- $24
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1901 W Harrison St, Chicago, IL 60612
- Practice phone
- Call (312) 864-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Hannah Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Hannah Grace Johnson is a physician assistant in Chicago, Illinois
Hannah Johnson practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government.
Hannah Johnson's NPI, 1952035099, was assigned on July 14, 2022.
- NPI
- 1952035099NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921532441
- NPI enumeration date
- July 14, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 864-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Hannah Grace Johnson practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois
Hannah Johnson's primary practice is John H. Stroger, Jr. Hospital of Cook County, at 1901 W Harrison St, Chicago, IL 60612 in Cook County. The practice phone is (312) 864-6000.
- John H. Stroger, Jr. Hospital of Cook County1901 W Harrison St, Chicago, IL 60612 · Cook CountyPhone(312) 864-6000
Source: Dmand AI Affiliation Data
Hannah Grace Johnson is affiliated with 2 sites of care and 1 medical group
Hannah Johnson's primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government. The medical group on file is John H. Stroger, Jr. Hospital of Cook County. Dmand AI also links Hannah Johnson to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Hannah Grace Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Hannah Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John H. Stroger, Jr. Hospital of Cook County | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Cook County Government and 6.2K+ hospitals, with verified contacts in the same login.
Hannah Grace Johnson is one of 4,299 physician assistants in Illinois
Physician assistant is Hannah Johnson's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Hannah Johnson
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Hannah Grace Johnson's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Hannah Johnson's median patient age at 62, with 67% women.
Hannah Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
How Hannah Grace Johnson takes part in Medicare
Hannah Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Hannah Grace Johnson received $24 in industry payments in 2025
CMS Open Payments shows 1 general payment to Hannah Johnson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $24.
Companies that paid Hannah Johnson the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Hannah Grace Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Hannah Grace Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Hannah Grace Johnson's NPI number?
Hannah Grace Johnson's NPI number is 1952035099. It was assigned on July 14, 2022, and it is active in the NPI Registry.
What does Hannah Grace Johnson specialize in?
Hannah Grace Johnson is a physician assistant in Chicago, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Hannah Grace Johnson practice?
Hannah Johnson practices at 1901 W Harrison St, Chicago, IL 60612. Hannah Johnson's primary practice is John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois, part of Cook County Government. Dmand AI also links Hannah Johnson to 1 group practice or clinic.
What is Hannah Grace Johnson's office phone number?
The practice phone on file for Hannah Johnson is (312) 864-6000.
Which hospitals is Hannah Grace Johnson affiliated with?
Hannah Johnson practices at John H. Stroger, Jr. Hospital of Cook County in Chicago, Illinois.
What medical group is Hannah Grace Johnson part of?
Hannah Johnson is linked to John H. Stroger, Jr. Hospital of Cook County.
Does Hannah Grace Johnson accept Medicare?
Yes. CMS lists Hannah Johnson as accepting Medicare assignment.
Has Hannah Grace Johnson received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Hannah Johnson from 1 company from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Hannah Grace Johnson been practicing?
Hannah Johnson graduated from medical school in 2023, 3 years ago.
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